//模拟数据
 data = [{
 		title: '一级1',
 		id: 1,
 		checked: true,
 		spread: true,
 		children: [{
 			title: '二级1-1 可允许跳转',
 			id: 3,
 			href: 'https://www.layui.com/',
 			children: [{
 				title: '三级1-1-3',
 				id: 23,
 				children: [{
 					title: '四级1-1-3-1',
 					id: 24,
 					children: [{
 						title: '五级1-1-3-1-1',
 						id: 30
 					}, {
 						title: '五级1-1-3-1-2',
 						id: 31
 					}]
 				}]
 			}, {
 				title: '三级1-1-1',
 				id: 7,
 				children: [{
 					title: '四级1-1-1-1 可允许跳转',
 					id: 15,
 					href: 'https://www.layui.com/doc/'
 				}]
 			}, {
 				title: '三级1-1-2',
 				id: 8,
 				children: [{
 					title: '四级1-1-2-1',
 					id: 32
 				}]
 			}]
 		}, {
 			title: '二级1-2',
 			id: 4,
 			spread: true,
 			children: [{
 				title: '三级1-2-1',
 				id: 9,
 				disabled: true
 			}, {
 				title: '三级1-2-2',
 				id: 10
 			}]
 		}, {
 			title: '二级1-3',
 			id: 20,
 			children: [{
 				title: '三级1-3-1',
 				id: 21
 			}, {
 				title: '三级1-3-2',
 				id: 22
 			}]
 		}]
 	}, {
 		title: '一级2',
 		id: 2,
 		spread: true,
 		children: [{
 			title: '二级2-1',
 			id: 5,
 			spread: true,
 			children: [{
 				title: '三级2-1-1',
 				id: 11
 			}, {
 				title: '三级2-1-2',
 				id: 12
 			}]
 		}, {
 			title: '二级2-2',
 			id: 6,
 			children: [{
 				title: '三级2-2-1',
 				id: 13
 			}, {
 				title: '三级2-2-2',
 				id: 14,
 				disabled: true
 			}]
 		}]
 	}, {
 		title: '一级3',
 		id: 16,
 		children: [{
 			title: '二级3-1',
 			id: 17,
 			fixed: true,
 			children: [{
 				title: '三级3-1-1',
 				id: 18
 			}, {
 				title: '三级3-1-2',
 				id: 19
 			}]
 		}, {
 			title: '二级3-2',
 			id: 27,
 			children: [{
 				title: '三级3-2-1',
 				id: 28
 			}, {
 				title: '三级3-2-2',
 				id: 29
 			}]
 		}]
 	}]

 	//模拟数据1
 	, data1 = [{
 		title: '江西',
 		id: 1,
 		children: [{
 			title: '南昌',
 			id: 1000,
 			children: [{
 				title: '青山湖区',
 				id: 10001
 			}, {
 				title: '高新区',
 				id: 10002
 			}]
 		}, {
 			title: '九江',
 			id: 1001
 		}, {
 			title: '赣州',
 			id: 1002
 		}]
 	}, {
 		title: '广西',
 		id: 2,
 		children: [{
 			title: '南宁',
 			id: 2000
 		}, {
 			title: '桂林',
 			id: 2001
 		}]
 	}, {
 		title: '陕西',
 		id: 3,
 		children: [{
 			title: '西安',
 			id: 3000
 		}, {
 			title: '延安',
 			id: 3001
 		}]
 	}]

 	//模拟数据2
 	, data2 = [{
 		title: '早餐',
 		id: 1,
 		children: [{
 			title: '油条',
 			id: 5
 		}, {
 			title: '包子',
 			id: 6
 		}, {
 			title: '豆浆',
 			id: 7
 		}]
 	}, {
 		title: '午餐',
 		id: 2,
 		checked: true,
 		children: [{
 			title: '藜蒿炒腊肉',
 			id: 8
 		}, {
 			title: '西湖醋鱼',
 			id: 9
 		}, {
 			title: '小白菜',
 			id: 10
 		}, {
 			title: '海带排骨汤',
 			id: 11
 		}]
 	}, {
 		title: '晚餐',
 		id: 3,
 		children: [{
 			title: '红烧肉',
 			id: 12,
 			fixed: true
 		}, {
 			title: '番茄炒蛋',
 			id: 13
 		}]
 	}, {
 		title: '夜宵',
 		id: 4,
 		children: [{
 			title: '小龙虾',
 			id: 14,
 			checked: true
 		}, {
 			title: '香辣蟹',
 			id: 15,
 			disabled: true
 		}, {
 			title: '烤鱿鱼',
 			id: 16
 		}]
 	}]
 	//模拟数据3
 	, data3 = [{
 		title: '一级1',
 		id: 1,
 		checked: true,
 		children: [{
 			title: '二级1-1 可允许跳转',
 			id: 3,
 			href: 'https://www.baidu.com/',
 		}],
 	},{
		title: '一级2',
		id: 2,
		children:[{
			title: '二级2-1 可允许跳转',
			id: 3,
			href: 'https://www.baidu.com/',
		}]
	}]
